wat are the different rtos available? wat is the difference beetween RTOS

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Question

wat are the different rtos available?
wat is the difference beetween RTOS ans OS

Question Submitted By :: Vikyneo

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Answer Posted By

Re: wat are the different rtos available? wat is the difference beetween RTOS ans OS

Answer
# 1

ordinary OS doesnt keep any time constraints n deadlines
whereas RTOS,realtime OS keep time constrains for all
processes that it keeps track of time consumed by each event
n therefore maintains to finish tasks in specified
time..RTOS are designed n installed in systems where o/p
shud obtain in specific time..like mobile phones n all

Is This Answer Correct ?

13 Yes

1 No

Justin

Re: wat are the different rtos available? wat is the difference beetween RTOS ans OS

Answer
# 2

VxWorks,QNX and some derivatives of LINUX are popular RTOS.

An RTOS is a special case of an OS. Here are few things 
which make it different.
1. The scheduler has to be pre-emptive.
2. Each task should have a priority.
3. Priority inheritance should be implemented.

Is This Answer Correct ?

3 Yes

4 No

Achal Ubbott

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